def process_words(self, words):
"""Process a set of 'words' in pyshyacc parlance, which includes
extraction of executed commands from $() blocks, as well as grabbing
the command name argument.
"""
words = list(words)
for word in list(words):
wtree = pyshlex.make_wordtree(word[1])
for part in wtree:
if not isinstance(part, list):
continue
if part[0] in ('`', '$('):
command = pyshlex.wordtree_as_string(part[1:-1])
self.parse_shell(command)
if word[0] in ("cmd_name", "cmd_word"):
if word in words:
words.remove(word)
usetoken = False
for word in words:
if word[0] in ("cmd_name", "cmd_word") or \
(usetoken and word[0] == "TOKEN"):
if "=" in word[1]:
usetoken = True
continue
cmd = word[1]
if cmd.startswith("$"):
logger.debug(
1, "Warning: execution of non-literal "
"command '%s'", cmd)
elif cmd == "eval":
command = " ".join(word for _, word in words[1:])
self.parse_shell(command)
else:
self.allexecs.add(cmd)
break
def process_words(self, words):
"""Process a set of 'words' in pyshyacc parlance, which includes
extraction of executed commands from $() blocks, as well as grabbing
the command name argument.
"""
words = list(words)
for word in list(words):
wtree = pyshlex.make_wordtree(word[1])
for part in wtree:
if not isinstance(part, list):
continue
if part[0] in ('`', '$('):
command = pyshlex.wordtree_as_string(part[1:-1])
self.parse_shell(command)
if word[0] in ("cmd_name", "cmd_word"):
if word in words:
words.remove(word)
usetoken = False
for word in words:
if word[0] in ("cmd_name", "cmd_word") or \
(usetoken and word[0] == "TOKEN"):
if "=" in word[1]:
usetoken = True
continue
cmd = word[1]
if cmd.startswith("$"):
logger.debug(1, "Warning: execution of non-literal "
"command '%s'", cmd)
elif cmd == "eval":
command = " ".join(word for _, word in words[1:])
self.parse_shell(command)
else:
self.allexecs.add(cmd)
break
